Concrete Block Concrete Retaining Wall Footing Design

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Concrete block concrete retaining wall footing design. Straight radius corners caps and decorative liners. Despite the many references a single volume on retaining wall design for the professional practitioner and civil engineering student could not be found. Masonry retaining walls are built with a reinforced concrete base as an anchor and a wall of hollow concrete blocks reinforced with 12mm steel bars. They should be placed cells vertical and mortar need to be applied for all sides of the block both in horizontal and vertical directions.
Numerous textbooks and technical papers on soil mechanics foundation engineering concrete design masonry design and in all sorts of related topics. A solid block wall needs a solid footing. Prepare the footing spread mortar and build leads sliding the block over the rebar as needed. Decorative liners wall landscape concrete block molds decorative liners for rataining walls or landscaping.
The concrete design mix is normally 35 to 50kn mm2 in strength and there is no steel reinforcement in the blocks. Concrete strengths less than this will reduce the design life of the blocks. The footing dimensions will largely be determined by the size of the wall. Build and prep footing lay out the wall and excavate the slope and the footing trench.
Build the footing and insert rebar into the wet concrete at intervals corresponding to the cores in the blocks. The footing should be at least as thick vertically as the wall s planned width. If you want a superstrong concrete block foundation you need to include both horizontal steel reinforcing wire and in the cores vertical reinforcing steel that extends up from the concrete. Concrete blocks are a common building material for a variety of outdoor projects such as retaining walls and out buildings like garages and tool sheds.
The blocks need to be laid on firm ground on 100mm of concrete to give the wall a level and flat foundation. Concrete block unit placement in retaining wall concrete block units should be installed properly in accordance with design documents and need to be plumbed. However for even the most modest block structure to have enough rigidity to bear pressure and weight it needs proper footing. There is no need for a heavy foundation.